/*
- * ar2313.c: Linux driver for the Atheros AR231z Ethernet device.
+ * ar2313.c: Linux driver for the Atheros AR231x Ethernet device.
*
* Copyright (C) 2004 by Sameer Dekate <sdekate@arubanetworks.com>
* Copyright (C) 2006 Imre Kaloz <kaloz@openwrt.org>
- * Copyright (C) 2006 Felix Fietkau <nbd@openwrt.org>
+ * Copyright (C) 2006-2007 Felix Fietkau <nbd@openwrt.org>
*
* Thanks to Atheros for providing hardware and documentation
* enabling me to write this driver.
#include <asm/uaccess.h>
#include <asm/bootinfo.h>
-#include <ar531x_platform.h>
+#define AR2313_MTU 1692
+#define AR2313_PRIOS 1
+#define AR2313_QUEUES (2*AR2313_PRIOS)
+#define AR2313_DESCR_ENTRIES 64
#undef INDEX_DEBUG
#define DEBUG 0
#define SMP_CACHE_BYTES L1_CACHE_BYTES
#endif
-#ifndef SET_MODULE_OWNER
-#define SET_MODULE_OWNER(dev) {do{} while(0);}
-#define AR2313_MOD_INC_USE_COUNT MOD_INC_USE_COUNT
-#define AR2313_MOD_DEC_USE_COUNT MOD_DEC_USE_COUNT
-#else
-#define AR2313_MOD_INC_USE_COUNT {do{} while(0);}
-#define AR2313_MOD_DEC_USE_COUNT {do{} while(0);}
-#endif
-
-#define PHYSADDR(a) ((_ACAST32_ (a)) & 0x1fffffff)
-
-static char ifname[5] = "bond";
-
-module_param_string(ifname, ifname, 5, 0);
-
#define AR2313_MBOX_SET_BIT 0x8
#define BOARD_IDX_STATIC 0
#define BOARD_IDX_OVERFLOW -1
-#include "ar2313_msg.h"
-#include "platform.h"
#include "dma.h"
#include "ar2313.h"
#define AR2313_BUFSIZE (AR2313_MTU + ETH_HLEN + CRC_LEN + RX_OFFSET)
#ifdef MODULE
-MODULE_AUTHOR("Sameer Dekate <sdekate@arubanetworks.com>, Imre Kaloz <kaloz@openwrt.org>, Felix Fietkau <nbd@openwrt.org>");
+MODULE_AUTHOR
+ ("Sameer Dekate <sdekate@arubanetworks.com>, Imre Kaloz <kaloz@openwrt.org>, Felix Fietkau <nbd@openwrt.org>");
MODULE_DESCRIPTION("AR2313 Ethernet driver");
#endif
-#if DEBUG
-static char version[] __initdata =
- "ar2313.c: v0.03 2006/07/12 sdekate@arubanetworks.com\n";
-#endif /* DEBUG */
-
#define virt_to_phys(x) ((u32)(x) & 0x1fffffff)
// prototypes
-static short armiiread(short phy, short reg);
-static void armiiwrite(short phy, short reg, short data);
+static short armiiread(struct net_device *dev, short phy, short reg);
+static void armiiwrite(struct net_device *dev, short phy, short reg,
+ short data);
#ifdef TX_TIMEOUT
static void ar2313_tx_timeout(struct net_device *dev);
#endif
static void rx_tasklet_func(unsigned long data);
static void ar2313_multicast_list(struct net_device *dev);
-static int probed __initdata = 0;
-static unsigned long ar_eth_base;
-static unsigned long ar_dma_base;
-static unsigned long ar_int_base;
-static unsigned long ar_int_mac_mask;
-static unsigned long ar_int_phy_mask;
-
#ifndef ERR
#define ERR(fmt, args...) printk("%s: " fmt, __func__, ##args)
#endif
{
struct net_device *dev;
struct ar2313_private *sp;
- struct ar531x_eth *cfg;
struct resource *res;
- int version_disp;
- char name[64] ;
-
- if (probed)
- return -ENODEV;
- probed++;
+ unsigned long ar_eth_base;
+ char buf[64];
- version_disp = 0;
- sprintf(name, "%s%%d", ifname) ;
dev = alloc_etherdev(sizeof(struct ar2313_private));
if (dev == NULL) {
- printk(KERN_ERR "ar2313: Unable to allocate net_device structure!\n");
- return -ENOMEM;
+ printk(KERN_ERR
+ "ar2313: Unable to allocate net_device structure!\n");
+ return -ENOMEM;
}
SET_MODULE_OWNER(dev);
sp = dev->priv;
sp->dev = dev;
- cfg = pdev->dev.platform_data;
+ sp->cfg = pdev->dev.platform_data;
- res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "eth_membase");
+ sprintf(buf, "eth%d_membase", pdev->id);
+ res = platform_get_resource_byname(pdev, IORESOURCE_MEM, buf);
if (!res)
return -ENODEV;
-
+
sp->link = 0;
ar_eth_base = res->start;
- ar_dma_base = ar_eth_base + 0x1000;
- ar_int_base = cfg->reset_base;
- ar_int_mac_mask = cfg->reset_mac;
- ar_int_phy_mask = cfg->reset_phy;
- sp->phy = cfg->phy;
+ sp->phy = sp->cfg->phy;
- dev->irq = platform_get_irq_byname(pdev, "eth_irq");
+ sprintf(buf, "eth%d_irq", pdev->id);
+ dev->irq = platform_get_irq_byname(pdev, buf);
spin_lock_init(&sp->lock);
tasklet_init(&sp->rx_tasklet, rx_tasklet_func, (unsigned long) dev);
tasklet_disable(&sp->rx_tasklet);
- /* display version info if adapter is found */
- if (!version_disp) {
- /* set display flag to TRUE so that */
- /* we only display this string ONCE */
- version_disp = 1;
-#if DEBUG
- printk(version);
-#endif /* DEBUG */
- }
-
-#if 0
- request_region(PHYSADDR(ar_eth_base), ETHERNET_SIZE*ETHERNET_MACS,
- "AR2313ENET");
-#endif
-
- sp->eth_regs = ioremap_nocache(PHYSADDR(ar_eth_base), sizeof(*sp->eth_regs));
+ sp->eth_regs =
+ ioremap_nocache(virt_to_phys(ar_eth_base), sizeof(*sp->eth_regs));
if (!sp->eth_regs) {
printk("Can't remap eth registers\n");
- return(-ENXIO);
+ return (-ENXIO);
+ }
+
+ /*
+ * When there's only one MAC, PHY regs are typically on ENET0,
+ * even though the MAC might be on ENET1.
+ * Needto remap PHY regs separately in this case
+ */
+ if (virt_to_phys(ar_eth_base) == virt_to_phys(sp->phy_regs))
+ sp->phy_regs = sp->eth_regs;
+ else {
+ sp->phy_regs =
+ ioremap_nocache(virt_to_phys(sp->cfg->phy_base),
+ sizeof(*sp->phy_regs));
+ if (!sp->phy_regs) {
+ printk("Can't remap phy registers\n");
+ return (-ENXIO);
+ }
}
- sp->dma_regs = ioremap_nocache(PHYSADDR(ar_eth_base + 0x1000), sizeof(*sp->dma_regs));
+ sp->dma_regs =
+ ioremap_nocache(virt_to_phys(ar_eth_base + 0x1000),
+ sizeof(*sp->dma_regs));
dev->base_addr = (unsigned int) sp->dma_regs;
if (!sp->dma_regs) {
printk("Can't remap DMA registers\n");
- return(-ENXIO);
+ return (-ENXIO);
}
- sp->int_regs = ioremap_nocache(PHYSADDR(ar_int_base), 4);
+ sp->int_regs = ioremap_nocache(virt_to_phys(sp->cfg->reset_base), 4);
if (!sp->int_regs) {
printk("Can't remap INTERRUPT registers\n");
- return(-ENXIO);
- }
-
- strncpy(sp->name, "Atheros AR2313", sizeof (sp->name) - 1);
- sp->name [sizeof (sp->name) - 1] = '\0';
-
- {
- /* XXX: Will have to rewrite this part later */
- char *configstart;
- unsigned char def_mac[6] = {0, 0xaa, 0xbb, 0xcc, 0xdd, 0xee};
-
- configstart = (char *) cfg->board_config;
-
- if (!configstart) {
- printk("no valid mac found, using defaults");
- memcpy(dev->dev_addr, def_mac, 6);
- } else {
- memcpy(dev->dev_addr, ((u8 *)configstart)+102, 6);
- }
+ return (-ENXIO);
}
+ strncpy(sp->name, "Atheros AR231x", sizeof(sp->name) - 1);
+ sp->name[sizeof(sp->name) - 1] = '\0';
+ memcpy(dev->dev_addr, sp->cfg->macaddr, 6);
sp->board_idx = BOARD_IDX_STATIC;
if (ar2313_init(dev)) {
- /*
- * ar2313_init() calls ar2313_init_cleanup() on error.
- */
- kfree(dev);
- return -ENODEV;
+ /*
+ * ar2313_init() calls ar2313_init_cleanup() on error.
+ */
+ kfree(dev);
+ return -ENODEV;
}
- if (register_netdev(dev)){
- printk("%s: register_netdev failed\n", __func__);
- return -1;
+ if (register_netdev(dev)) {
+ printk("%s: register_netdev failed\n", __func__);
+ return -1;
}
printk("%s: %s: %02x:%02x:%02x:%02x:%02x:%02x, irq %d\n",
- dev->name, sp->name,
- dev->dev_addr[0], dev->dev_addr[1], dev->dev_addr[2],
- dev->dev_addr[3], dev->dev_addr[4], dev->dev_addr[5],
- dev->irq);
+ dev->name, sp->name,
+ dev->dev_addr[0], dev->dev_addr[1], dev->dev_addr[2],
+ dev->dev_addr[3], dev->dev_addr[4], dev->dev_addr[5], dev->irq);
/* start link poll timer */
ar2313_setup_timer(dev);
static void ar2313_dump_regs(struct net_device *dev)
{
unsigned int *ptr, i;
- struct ar2313_private *sp = (struct ar2313_private *)dev->priv;
+ struct ar2313_private *sp = (struct ar2313_private *) dev->priv;
- ptr = (unsigned int *)sp->eth_regs;
- for(i=0; i< (sizeof(ETHERNET_STRUCT)/ sizeof(unsigned int)); i++, ptr++) {
- printk("ENET: %08x = %08x\n", (int)ptr, *ptr);
+ ptr = (unsigned int *) sp->eth_regs;
+ for (i = 0; i < (sizeof(ETHERNET_STRUCT) / sizeof(unsigned int));
+ i++, ptr++) {
+ printk("ENET: %08x = %08x\n", (int) ptr, *ptr);
}
- ptr = (unsigned int *)sp->dma_regs;
- for(i=0; i< (sizeof(DMA)/ sizeof(unsigned int)); i++, ptr++) {
- printk("DMA: %08x = %08x\n", (int)ptr, *ptr);
+ ptr = (unsigned int *) sp->dma_regs;
+ for (i = 0; i < (sizeof(DMA) / sizeof(unsigned int)); i++, ptr++) {
+ printk("DMA: %08x = %08x\n", (int) ptr, *ptr);
}
- ptr = (unsigned int *)sp->int_regs;
- for(i=0; i< (sizeof(INTERRUPT)/ sizeof(unsigned int)); i++, ptr++){
- printk("INT: %08x = %08x\n", (int)ptr, *ptr);
+ ptr = (unsigned int *) sp->int_regs;
+ for (i = 0; i < (sizeof(INTERRUPT) / sizeof(unsigned int)); i++, ptr++) {
+ printk("INT: %08x = %08x\n", (int) ptr, *ptr);
}
for (i = 0; i < AR2313_DESCR_ENTRIES; i++) {
- ar2313_descr_t *td = &sp->tx_ring[i];
- printk("Tx desc %2d: %08x %08x %08x %08x\n", i,
- td->status, td->devcs, td->addr, td->descr);
+ ar2313_descr_t *td = &sp->tx_ring[i];
+ printk("Tx desc %2d: %08x %08x %08x %08x\n", i,
+ td->status, td->devcs, td->addr, td->descr);
}
}
#endif
#ifdef TX_TIMEOUT
-static void
-ar2313_tx_timeout(struct net_device *dev)
+static void ar2313_tx_timeout(struct net_device *dev)
{
- struct ar2313_private *sp = (struct ar2313_private *)dev->priv;
+ struct ar2313_private *sp = (struct ar2313_private *) dev->priv;
unsigned long flags;
-
+
#if DEBUG_TX
printk("Tx timeout\n");
#endif
#endif
#if DEBUG_MC
-static void
-printMcList(struct net_device *dev)
+static void printMcList(struct net_device *dev)
{
struct dev_mc_list *list = dev->mc_list;
- int num=0, i;
- while(list){
+ int num = 0, i;
+ while (list) {
printk("%d MC ADDR ", num);
- for(i=0;i<list->dmi_addrlen;i++) {
- printk(":%02x", list->dmi_addr[i]);
+ for (i = 0; i < list->dmi_addrlen; i++) {
+ printk(":%02x", list->dmi_addr[i]);
}
- list = list->next;
+ list = list->next;
printk("\n");
}
}
* Set or clear the multicast filter for this adaptor.
* THIS IS ABSOLUTE CRAP, disabled
*/
-static void
-ar2313_multicast_list(struct net_device *dev)
-{
+static void ar2313_multicast_list(struct net_device *dev)
+{
/*
* Always listen to broadcasts and
* treat IFF bits independently
*/
- struct ar2313_private *sp = (struct ar2313_private *)dev->priv;
+ struct ar2313_private *sp = (struct ar2313_private *) dev->priv;
unsigned int recognise;
recognise = sp->eth_regs->mac_control;
- if (dev->flags & IFF_PROMISC) { /* set promiscuous mode */
+ if (dev->flags & IFF_PROMISC) { /* set promiscuous mode */
recognise |= MAC_CONTROL_PR;
} else {
recognise &= ~MAC_CONTROL_PR;
if ((dev->flags & IFF_ALLMULTI) || (dev->mc_count > 15)) {
#if DEBUG_MC
- printMcList(dev);
- printk("%s: all MULTICAST mc_count %d\n", __FUNCTION__, dev->mc_count);
+ printMcList(dev);
+ printk("%s: all MULTICAST mc_count %d\n", __FUNCTION__,
+ dev->mc_count);
#endif
- recognise |= MAC_CONTROL_PM;/* all multicast */
+ recognise |= MAC_CONTROL_PM; /* all multicast */
} else if (dev->mc_count > 0) {
#if DEBUG_MC
- printMcList(dev);
+ printMcList(dev);
printk("%s: mc_count %d\n", __FUNCTION__, dev->mc_count);
#endif
- recognise |= MAC_CONTROL_PM; /* for the time being */
+ recognise |= MAC_CONTROL_PM; /* for the time being */
}
#if DEBUG_MC
- printk("%s: setting %08x to %08x\n", __FUNCTION__, (int)sp->eth_regs, recognise);
+ printk("%s: setting %08x to %08x\n", __FUNCTION__, (int) sp->eth_regs,
+ recognise);
#endif
-
+
sp->eth_regs->mac_control = recognise;
}
{
struct ar2313_private *sp = dev->priv;
- /*
+ /*
* Tasklet may be scheduled. Need to get it removed from the list
* since we're about to free the struct.
*/
/* stop mac */
ar2313_halt(dev);
-
+
/* initialize */
ar2313_init(dev);
-
+
/* enable interrupts */
enable_irq(dev->irq);
-
+
return 0;
}
{
struct ar2313_private *sp = dev->priv;
if (sp->rx_ring != NULL) {
- kfree((void*)KSEG0ADDR(sp->rx_ring));
- sp->rx_ring = NULL;
- sp->tx_ring = NULL;
+ kfree((void *) KSEG0ADDR(sp->rx_ring));
+ sp->rx_ring = NULL;
+ sp->tx_ring = NULL;
}
}
int j;
ar2313_descr_t *space;
- if(sp->rx_ring != NULL){
- printk("%s: already done.\n", __FUNCTION__);
- return 0;
+ if (sp->rx_ring != NULL) {
+ printk("%s: already done.\n", __FUNCTION__);
+ return 0;
}
- size = (sizeof(ar2313_descr_t) * (AR2313_DESCR_ENTRIES * AR2313_QUEUES));
+ size =
+ (sizeof(ar2313_descr_t) * (AR2313_DESCR_ENTRIES * AR2313_QUEUES));
space = kmalloc(size, GFP_KERNEL);
if (space == NULL)
- return 1;
+ return 1;
/* invalidate caches */
- dma_cache_inv((unsigned int)space, size);
+ dma_cache_inv((unsigned int) space, size);
/* now convert pointer to KSEG1 */
- space = (ar2313_descr_t *)KSEG1ADDR(space);
+ space = (ar2313_descr_t *) KSEG1ADDR(space);
- memset((void *)space, 0, size);
+ memset((void *) space, 0, size);
sp->rx_ring = space;
space += AR2313_DESCR_ENTRIES;
/* Initialize the transmit Descriptors */
for (j = 0; j < AR2313_DESCR_ENTRIES; j++) {
- ar2313_descr_t *td = &sp->tx_ring[j];
- td->status = 0;
- td->devcs = DMA_TX1_CHAINED;
- td->addr = 0;
- td->descr = K1_TO_PHYS(&sp->tx_ring[(j+1) & (AR2313_DESCR_ENTRIES-1)]);
+ ar2313_descr_t *td = &sp->tx_ring[j];
+ td->status = 0;
+ td->devcs = DMA_TX1_CHAINED;
+ td->addr = 0;
+ td->descr =
+ virt_to_phys(&sp->
+ tx_ring[(j + 1) & (AR2313_DESCR_ENTRIES - 1)]);
}
return 0;
ar2313_free_descriptors(dev);
- if (sp->eth_regs) iounmap((void*)sp->eth_regs);
- if (sp->dma_regs) iounmap((void*)sp->dma_regs);
+ if (sp->eth_regs)
+ iounmap((void *) sp->eth_regs);
+ if (sp->dma_regs)
+ iounmap((void *) sp->dma_regs);
if (sp->rx_skb) {
- for (j = 0; j < AR2313_DESCR_ENTRIES; j++) {
- skb = sp->rx_skb[j];
- if (skb) {
- sp->rx_skb[j] = NULL;
- dev_kfree_skb(skb);
- }
- }
- kfree(sp->rx_skb);
- sp->rx_skb = NULL;
+ for (j = 0; j < AR2313_DESCR_ENTRIES; j++) {
+ skb = sp->rx_skb[j];
+ if (skb) {
+ sp->rx_skb[j] = NULL;
+ dev_kfree_skb(skb);
+ }
+ }
+ kfree(sp->rx_skb);
+ sp->rx_skb = NULL;
}
if (sp->tx_skb) {
- for (j = 0; j < AR2313_DESCR_ENTRIES; j++) {
- skb = sp->tx_skb[j];
- if (skb) {
- sp->tx_skb[j] = NULL;
- dev_kfree_skb(skb);
- }
- }
- kfree(sp->tx_skb);
- sp->tx_skb = NULL;
+ for (j = 0; j < AR2313_DESCR_ENTRIES; j++) {
+ skb = sp->tx_skb[j];
+ if (skb) {
+ sp->tx_skb[j] = NULL;
+ dev_kfree_skb(skb);
+ }
+ }
+ kfree(sp->tx_skb);
+ sp->tx_skb = NULL;
}
}
static int ar2313_setup_timer(struct net_device *dev)
{
- struct ar2313_private *sp = dev->priv;
+ struct ar2313_private *sp = dev->priv;
init_timer(&sp->link_timer);
static void ar2313_link_timer_fn(unsigned long data)
{
struct net_device *dev = (struct net_device *) data;
- struct ar2313_private *sp = dev->priv;
+ struct ar2313_private *sp = dev->priv;
// see if the link status changed
// This was needed to make sure we set the PHY to the
// autonegotiated value of half or full duplex.
ar2313_check_link(dev);
-
+
// Loop faster when we don't have link.
// This was needed to speed up the AP bootstrap time.
- if(sp->link == 0) {
- mod_timer(&sp->link_timer, jiffies + HZ/2);
+ if (sp->link == 0) {
+ mod_timer(&sp->link_timer, jiffies + HZ / 2);
} else {
mod_timer(&sp->link_timer, jiffies + LINK_TIMER);
}
struct ar2313_private *sp = dev->priv;
u16 phyData;
- phyData = armiiread(sp->phy, MII_BMSR);
+ phyData = armiiread(dev, sp->phy, MII_BMSR);
if (sp->phyData != phyData) {
- if (phyData & BMSR_LSTATUS) {
- /* link is present, ready link partner ability to deterine duplexity */
- int duplex = 0;
- u16 reg;
-
- sp->link = 1;
- reg = armiiread(sp->phy, MII_BMCR);
- if (reg & BMCR_ANENABLE) {
- /* auto neg enabled */
- reg = armiiread(sp->phy, MII_LPA);
- duplex = (reg & (LPA_100FULL|LPA_10FULL))? 1:0;
- } else {
- /* no auto neg, just read duplex config */
- duplex = (reg & BMCR_FULLDPLX)? 1:0;
- }
-
- printk(KERN_INFO "%s: Configuring MAC for %s duplex\n", dev->name,
- (duplex)? "full":"half");
-
- if (duplex) {
- /* full duplex */
- sp->eth_regs->mac_control = ((sp->eth_regs->mac_control | MAC_CONTROL_F) &
- ~MAC_CONTROL_DRO);
- } else {
- /* half duplex */
- sp->eth_regs->mac_control = ((sp->eth_regs->mac_control | MAC_CONTROL_DRO) &
- ~MAC_CONTROL_F);
- }
+ if (phyData & BMSR_LSTATUS) {
+ /* link is present, ready link partner ability to deterine
+ duplexity */
+ int duplex = 0;
+ u16 reg;
+
+ sp->link = 1;
+ reg = armiiread(dev, sp->phy, MII_BMCR);
+ if (reg & BMCR_ANENABLE) {
+ /* auto neg enabled */
+ reg = armiiread(dev, sp->phy, MII_LPA);
+ duplex = (reg & (LPA_100FULL | LPA_10FULL)) ? 1 : 0;
+ } else {
+ /* no auto neg, just read duplex config */
+ duplex = (reg & BMCR_FULLDPLX) ? 1 : 0;
+ }
+
+ printk(KERN_INFO "%s: Configuring MAC for %s duplex\n",
+ dev->name, (duplex) ? "full" : "half");
+
+ if (duplex) {
+ /* full duplex */
+ sp->eth_regs->mac_control =
+ ((sp->eth_regs->
+ mac_control | MAC_CONTROL_F) & ~MAC_CONTROL_DRO);
+ } else {
+ /* half duplex */
+ sp->eth_regs->mac_control =
+ ((sp->eth_regs->
+ mac_control | MAC_CONTROL_DRO) & ~MAC_CONTROL_F);
+ }
} else {
- /* no link */
- sp->link = 0;
+ /* no link */
+ sp->link = 0;
}
- sp->phyData = phyData;
+ sp->phyData = phyData;
}
}
-
-static int
-ar2313_reset_reg(struct net_device *dev)
+
+static int ar2313_reset_reg(struct net_device *dev)
{
- struct ar2313_private *sp = (struct ar2313_private *)dev->priv;
+ struct ar2313_private *sp = (struct ar2313_private *) dev->priv;
unsigned int ethsal, ethsah;
unsigned int flags;
- *sp->int_regs |= ar_int_mac_mask;
+ *sp->int_regs |= sp->cfg->reset_mac;
mdelay(10);
- *sp->int_regs &= ~ar_int_mac_mask;
+ *sp->int_regs &= ~sp->cfg->reset_mac;
mdelay(10);
- *sp->int_regs |= ar_int_phy_mask;
+ *sp->int_regs |= sp->cfg->reset_phy;
mdelay(10);
- *sp->int_regs &= ~ar_int_phy_mask;
+ *sp->int_regs &= ~sp->cfg->reset_phy;
mdelay(10);
sp->dma_regs->bus_mode = (DMA_BUS_MODE_SWR);
mdelay(10);
- sp->dma_regs->bus_mode = ((32 << DMA_BUS_MODE_PBL_SHIFT) | DMA_BUS_MODE_BLE);
+ sp->dma_regs->bus_mode =
+ ((32 << DMA_BUS_MODE_PBL_SHIFT) | DMA_BUS_MODE_BLE);
/* enable interrupts */
sp->dma_regs->intr_ena = (DMA_STATUS_AIS |
- DMA_STATUS_NIS |
- DMA_STATUS_RI |
- DMA_STATUS_TI |
- DMA_STATUS_FBE);
- sp->dma_regs->xmt_base = K1_TO_PHYS(sp->tx_ring);
- sp->dma_regs->rcv_base = K1_TO_PHYS(sp->rx_ring);
- sp->dma_regs->control = (DMA_CONTROL_SR | DMA_CONTROL_ST | DMA_CONTROL_SF);
-
+ DMA_STATUS_NIS |
+ DMA_STATUS_RI |
+ DMA_STATUS_TI | DMA_STATUS_FBE);
+ sp->dma_regs->xmt_base = virt_to_phys(sp->tx_ring);
+ sp->dma_regs->rcv_base = virt_to_phys(sp->rx_ring);
+ sp->dma_regs->control =
+ (DMA_CONTROL_SR | DMA_CONTROL_ST | DMA_CONTROL_SF);
+
sp->eth_regs->flow_control = (FLOW_CONTROL_FCE);
sp->eth_regs->vlan_tag = (0x8100);
/* Enable Ethernet Interface */
- flags = (MAC_CONTROL_TE | /* transmit enable */
- MAC_CONTROL_PM | /* pass mcast */
- MAC_CONTROL_F | /* full duplex */
- MAC_CONTROL_HBD); /* heart beat disabled */
+ flags = (MAC_CONTROL_TE | /* transmit enable */
+ MAC_CONTROL_PM | /* pass mcast */
+ MAC_CONTROL_F | /* full duplex */
+ MAC_CONTROL_HBD); /* heart beat disabled */
- if (dev->flags & IFF_PROMISC) { /* set promiscuous mode */
- flags |= MAC_CONTROL_PR;
+ if (dev->flags & IFF_PROMISC) { /* set promiscuous mode */
+ flags |= MAC_CONTROL_PR;
}
sp->eth_regs->mac_control = flags;
/* Set all Ethernet station address registers to their initial values */
- ethsah = ((((u_int)(dev->dev_addr[5]) << 8) & (u_int)0x0000FF00) |
- (((u_int)(dev->dev_addr[4]) << 0) & (u_int)0x000000FF));
+ ethsah = ((((u_int) (dev->dev_addr[5]) << 8) & (u_int) 0x0000FF00) |
+ (((u_int) (dev->dev_addr[4]) << 0) & (u_int) 0x000000FF));
- ethsal = ((((u_int)(dev->dev_addr[3]) << 24) & (u_int)0xFF000000) |
- (((u_int)(dev->dev_addr[2]) << 16) & (u_int)0x00FF0000) |
- (((u_int)(dev->dev_addr[1]) << 8) & (u_int)0x0000FF00) |
- (((u_int)(dev->dev_addr[0]) << 0) & (u_int)0x000000FF) );
+ ethsal = ((((u_int) (dev->dev_addr[3]) << 24) & (u_int) 0xFF000000) |
+ (((u_int) (dev->dev_addr[2]) << 16) & (u_int) 0x00FF0000) |
+ (((u_int) (dev->dev_addr[1]) << 8) & (u_int) 0x0000FF00) |
+ (((u_int) (dev->dev_addr[0]) << 0) & (u_int) 0x000000FF));
sp->eth_regs->mac_addr[0] = ethsah;
sp->eth_regs->mac_addr[1] = ethsal;
mdelay(10);
- return(0);
+ return (0);
}
static int ar2313_init(struct net_device *dev)
{
struct ar2313_private *sp = dev->priv;
- int ecode=0;
+ int ecode = 0;
- /*
+ /*
* Allocate descriptors
*/
if (ar2313_allocate_descriptors(dev)) {
- printk("%s: %s: ar2313_allocate_descriptors failed\n",
- dev->name, __FUNCTION__);
- ecode = -EAGAIN;
- goto init_error;
+ printk("%s: %s: ar2313_allocate_descriptors failed\n",
+ dev->name, __FUNCTION__);
+ ecode = -EAGAIN;
+ goto init_error;
}
- /*
+ /*
* Get the memory for the skb rings.
*/
- if(sp->rx_skb == NULL) {
- sp->rx_skb = kmalloc(sizeof(struct sk_buff *) * AR2313_DESCR_ENTRIES, GFP_KERNEL);
- if (!(sp->rx_skb)) {
- printk("%s: %s: rx_skb kmalloc failed\n",
- dev->name, __FUNCTION__);
- ecode = -EAGAIN;
- goto init_error;
- }
+ if (sp->rx_skb == NULL) {
+ sp->rx_skb =
+ kmalloc(sizeof(struct sk_buff *) * AR2313_DESCR_ENTRIES,
+ GFP_KERNEL);
+ if (!(sp->rx_skb)) {
+ printk("%s: %s: rx_skb kmalloc failed\n",
+ dev->name, __FUNCTION__);
+ ecode = -EAGAIN;
+ goto init_error;
+ }
}
memset(sp->rx_skb, 0, sizeof(struct sk_buff *) * AR2313_DESCR_ENTRIES);
- if(sp->tx_skb == NULL) {
- sp->tx_skb = kmalloc(sizeof(struct sk_buff *) * AR2313_DESCR_ENTRIES, GFP_KERNEL);
- if (!(sp->tx_skb)) {
- printk("%s: %s: tx_skb kmalloc failed\n",
- dev->name, __FUNCTION__);
- ecode = -EAGAIN;
- goto init_error;
- }
+ if (sp->tx_skb == NULL) {
+ sp->tx_skb =
+ kmalloc(sizeof(struct sk_buff *) * AR2313_DESCR_ENTRIES,
+ GFP_KERNEL);
+ if (!(sp->tx_skb)) {
+ printk("%s: %s: tx_skb kmalloc failed\n",
+ dev->name, __FUNCTION__);
+ ecode = -EAGAIN;
+ goto init_error;
+ }
}
memset(sp->tx_skb, 0, sizeof(struct sk_buff *) * AR2313_DESCR_ENTRIES);
- /*
+ /*
* Set tx_csm before we start receiving interrupts, otherwise
* the interrupt handler might think it is supposed to process
* tx ints before we are up and running, which may cause a null
sp->tx_prd = 0;
sp->tx_csm = 0;
- /*
+ /*
* Zero the stats before starting the interface
*/
memset(&sp->stats, 0, sizeof(sp->stats));
- /*
+ /*
* We load the ring here as there seem to be no way to tell the
* firmware to wipe the ring without re-initializing it.
*/
*/
ar2313_reset_reg(dev);
- /*
+ /*
* Get the IRQ
*/
- ecode = request_irq(dev->irq, &ar2313_interrupt, IRQF_SHARED | IRQF_DISABLED | IRQF_SAMPLE_RANDOM, dev->name, dev);
+ ecode =
+ request_irq(dev->irq, &ar2313_interrupt,
+ IRQF_SHARED | IRQF_DISABLED | IRQF_SAMPLE_RANDOM,
+ dev->name, dev);
if (ecode) {
- printk(KERN_WARNING "%s: %s: Requested IRQ %d is busy\n",
- dev->name, __FUNCTION__, dev->irq);
- goto init_error;
+ printk(KERN_WARNING "%s: %s: Requested IRQ %d is busy\n",
+ dev->name, __FUNCTION__, dev->irq);
+ goto init_error;
}
return 0;
- init_error:
+ init_error:
ar2313_init_cleanup(dev);
return ecode;
}
static void ar2313_load_rx_ring(struct net_device *dev, int nr_bufs)
{
- struct ar2313_private *sp = ((struct net_device *)dev)->priv;
+ struct ar2313_private *sp = ((struct net_device *) dev)->priv;
short i, idx;
idx = sp->rx_skbprd;
for (i = 0; i < nr_bufs; i++) {
- struct sk_buff *skb;
- ar2313_descr_t *rd;
+ struct sk_buff *skb;
+ ar2313_descr_t *rd;
- if (sp->rx_skb[idx]) {
+ if (sp->rx_skb[idx]) {
#if DEBUG_RX
- printk(KERN_INFO "ar2313 rx refill full\n");
-#endif /* DEBUG */
- break;
- }
-
- // partha: create additional room for the second GRE fragment
- skb = alloc_skb(AR2313_BUFSIZE+128, GFP_ATOMIC);
- if (!skb) {
- printk("\n\n\n\n %s: No memory in system\n\n\n\n", __FUNCTION__);
- break;
- }
- // partha: create additional room in the front for tx pkt capture
- skb_reserve(skb, 32);
-
- /*
- * Make sure IP header starts on a fresh cache line.
- */
- skb->dev = dev;
- skb_reserve(skb, RX_OFFSET);
- sp->rx_skb[idx] = skb;
-
- rd = (ar2313_descr_t *) &sp->rx_ring[idx];
-
- /* initialize dma descriptor */
- rd->devcs = ((AR2313_BUFSIZE << DMA_RX1_BSIZE_SHIFT) |
- DMA_RX1_CHAINED);
- rd->addr = virt_to_phys(skb->data);
- rd->descr = virt_to_phys(&sp->rx_ring[(idx+1) & (AR2313_DESCR_ENTRIES-1)]);
- rd->status = DMA_RX_OWN;
-
- idx = DSC_NEXT(idx);
+ printk(KERN_INFO "ar2313 rx refill full\n");
+#endif /* DEBUG */
+ break;
+ }
+ // partha: create additional room for the second GRE fragment
+ skb = alloc_skb(AR2313_BUFSIZE + 128, GFP_ATOMIC);
+ if (!skb) {
+ printk("\n\n\n\n %s: No memory in system\n\n\n\n",
+ __FUNCTION__);
+ break;
+ }
+ // partha: create additional room in the front for tx pkt capture
+ skb_reserve(skb, 32);
+
+ /*
+ * Make sure IP header starts on a fresh cache line.
+ */
+ skb->dev = dev;
+ skb_reserve(skb, RX_OFFSET);
+ sp->rx_skb[idx] = skb;
+
+ rd = (ar2313_descr_t *) & sp->rx_ring[idx];
+
+ /* initialize dma descriptor */
+ rd->devcs = ((AR2313_BUFSIZE << DMA_RX1_BSIZE_SHIFT) |
+ DMA_RX1_CHAINED);
+ rd->addr = virt_to_phys(skb->data);
+ rd->descr =
+ virt_to_phys(&sp->
+ rx_ring[(idx + 1) & (AR2313_DESCR_ENTRIES - 1)]);
+ rd->status = DMA_RX_OWN;
+
+ idx = DSC_NEXT(idx);
}
if (!i) {
#if DEBUG_ERR
- printk(KERN_INFO "Out of memory when allocating standard receive buffers\n");
-#endif /* DEBUG */
+ printk(KERN_INFO
+ "Out of memory when allocating standard receive buffers\n");
+#endif /* DEBUG */
} else {
- sp->rx_skbprd = idx;
+ sp->rx_skbprd = idx;
}
return;
idx = sp->cur_rx;
- /* process at most the entire ring and then wait for another interrupt */
- while(1) {
-
- rxdesc = &sp->rx_ring[idx];
- status = rxdesc->status;
- if (status & DMA_RX_OWN) {
- /* SiByte owns descriptor or descr not yet filled in */
- rval = 0;
- break;
- }
-
- if (++pkts > AR2313_MAX_PKTS_PER_CALL) {
- rval = 1;
- break;
- }
+ /* process at most the entire ring and then wait for another interrupt
+ */
+ while (1) {
+
+ rxdesc = &sp->rx_ring[idx];
+ status = rxdesc->status;
+ if (status & DMA_RX_OWN) {
+ /* SiByte owns descriptor or descr not yet filled in */
+ rval = 0;
+ break;
+ }
+ if (++pkts > AR2313_MAX_PKTS_PER_CALL) {
+ rval = 1;
+ break;
+ }
#if DEBUG_RX
- printk("index %d\n", idx);
- printk("RX status %08x\n", rxdesc->status);
- printk("RX devcs %08x\n", rxdesc->devcs );
- printk("RX addr %08x\n", rxdesc->addr );
- printk("RX descr %08x\n", rxdesc->descr );
+ printk("index %d\n", idx);
+ printk("RX status %08x\n", rxdesc->status);
+ printk("RX devcs %08x\n", rxdesc->devcs);
+ printk("RX addr %08x\n", rxdesc->addr);
+ printk("RX descr %08x\n", rxdesc->descr);
#endif
- if ((status & (DMA_RX_ERROR|DMA_RX_ERR_LENGTH)) &&
- (!(status & DMA_RX_LONG))){
+ if ((status & (DMA_RX_ERROR | DMA_RX_ERR_LENGTH)) &&
+ (!(status & DMA_RX_LONG))) {
#if DEBUG_RX
- printk("%s: rx ERROR %08x\n", __FUNCTION__, status);
+ printk("%s: rx ERROR %08x\n", __FUNCTION__, status);
#endif
- sp->stats.rx_errors++;
- sp->stats.rx_dropped++;
-
- /* add statistics counters */
- if (status & DMA_RX_ERR_CRC) sp->stats.rx_crc_errors++;
- if (status & DMA_RX_ERR_COL) sp->stats.rx_over_errors++;
- if (status & DMA_RX_ERR_LENGTH)
- sp->stats.rx_length_errors++;
- if (status & DMA_RX_ERR_RUNT) sp->stats.rx_over_errors++;
- if (status & DMA_RX_ERR_DESC) sp->stats.rx_over_errors++;
-
- } else {
- /* alloc new buffer. */
- skb_new = dev_alloc_skb(AR2313_BUFSIZE + RX_OFFSET + 128);
- if (skb_new != NULL) {
-
- skb = sp->rx_skb[idx];
- /* set skb */
- skb_put(skb, ((status >> DMA_RX_LEN_SHIFT) & 0x3fff) - CRC_LEN);
+ sp->stats.rx_errors++;
+ sp->stats.rx_dropped++;
+
+ /* add statistics counters */
+ if (status & DMA_RX_ERR_CRC)
+ sp->stats.rx_crc_errors++;
+ if (status & DMA_RX_ERR_COL)
+ sp->stats.rx_over_errors++;
+ if (status & DMA_RX_ERR_LENGTH)
+ sp->stats.rx_length_errors++;
+ if (status & DMA_RX_ERR_RUNT)
+ sp->stats.rx_over_errors++;
+ if (status & DMA_RX_ERR_DESC)
+ sp->stats.rx_over_errors++;
-#ifdef CONFIG_MERLOT
- if ((dev->am_pkt_handler == NULL) ||
- (dev->am_pkt_handler(skb, dev) == 0)) {
-#endif
- sp->stats.rx_bytes += skb->len;
- skb->protocol = eth_type_trans(skb, dev);
- /* pass the packet to upper layers */
-
-#ifdef CONFIG_MERLOT
- if (dev->asap_netif_rx)
- dev->asap_netif_rx(skb);
- else
-#endif
- netif_rx(skb);
-#ifdef CONFIG_MERLOT
+ } else {
+ /* alloc new buffer. */
+ skb_new = dev_alloc_skb(AR2313_BUFSIZE + RX_OFFSET + 128);
+ if (skb_new != NULL) {
+
+ skb = sp->rx_skb[idx];
+ /* set skb */
+ skb_put(skb,
+ ((status >> DMA_RX_LEN_SHIFT) & 0x3fff) - CRC_LEN);
+
+ sp->stats.rx_bytes += skb->len;
+ skb->protocol = eth_type_trans(skb, dev);
+ /* pass the packet to upper layers */
+ netif_rx(skb);
+
+ skb_new->dev = dev;
+ /* 16 bit align */
+ skb_reserve(skb_new, RX_OFFSET + 32);
+ /* reset descriptor's curr_addr */
+ rxdesc->addr = virt_to_phys(skb_new->data);
+
+ sp->stats.rx_packets++;
+ sp->rx_skb[idx] = skb_new;
+ } else {
+ sp->stats.rx_dropped++;
+ }
}
-#endif
- skb_new->dev = dev;
- /* 16 bit align */
- skb_reserve(skb_new, RX_OFFSET+32);
- /* reset descriptor's curr_addr */
- rxdesc->addr = virt_to_phys(skb_new->data);
-
- sp->stats.rx_packets++;
- sp->rx_skb[idx] = skb_new;
-
- } else {
- sp->stats.rx_dropped++;
- }
- }
- rxdesc->devcs = ((AR2313_BUFSIZE << DMA_RX1_BSIZE_SHIFT) |
- DMA_RX1_CHAINED);
- rxdesc->status = DMA_RX_OWN;
+ rxdesc->devcs = ((AR2313_BUFSIZE << DMA_RX1_BSIZE_SHIFT) |
+ DMA_RX1_CHAINED);
+ rxdesc->status = DMA_RX_OWN;
- idx = DSC_NEXT(idx);
+ idx = DSC_NEXT(idx);
}
sp->cur_rx = idx;
u32 idx;
struct sk_buff *skb;
ar2313_descr_t *txdesc;
- unsigned int status=0;
+ unsigned int status = 0;
idx = sp->tx_csm;
while (idx != sp->tx_prd) {
- txdesc = &sp->tx_ring[idx];
+ txdesc = &sp->tx_ring[idx];
#if DEBUG_TX
- printk("%s: TXINT: csm=%d idx=%d prd=%d status=%x devcs=%x addr=%08x descr=%x\n",
- dev->name, sp->tx_csm, idx, sp->tx_prd,
- txdesc->status, txdesc->devcs, txdesc->addr, txdesc->descr);
-#endif /* DEBUG */
-
- if ((status = txdesc->status) & DMA_TX_OWN) {
- /* ar2313 dma still owns descr */
- break;
- }
- /* done with this descriptor */
- dma_unmap_single(NULL, txdesc->addr, txdesc->devcs & DMA_TX1_BSIZE_MASK, DMA_TO_DEVICE);
- txdesc->status = 0;
-
- if (status & DMA_TX_ERROR){
- sp->stats.tx_errors++;
- sp->stats.tx_dropped++;
- if(status & DMA_TX_ERR_UNDER)
- sp->stats.tx_fifo_errors++;
- if(status & DMA_TX_ERR_HB)
- sp->stats.tx_heartbeat_errors++;
- if(status & (DMA_TX_ERR_LOSS |
- DMA_TX_ERR_LINK))
- sp->stats.tx_carrier_errors++;
- if (status & (DMA_TX_ERR_LATE|
- DMA_TX_ERR_COL |
- DMA_TX_ERR_JABBER |
- DMA_TX_ERR_DEFER))
- sp->stats.tx_aborted_errors++;
- } else {
- /* transmit OK */
- sp->stats.tx_packets++;
- }
+ printk
+ ("%s: TXINT: csm=%d idx=%d prd=%d status=%x devcs=%x addr=%08x descr=%x\n",
+ dev->name, sp->tx_csm, idx, sp->tx_prd, txdesc->status,
+ txdesc->devcs, txdesc->addr, txdesc->descr);
+#endif /* DEBUG */
+
+ if ((status = txdesc->status) & DMA_TX_OWN) {
+ /* ar2313 dma still owns descr */
+ break;
+ }
+ /* done with this descriptor */
+ dma_unmap_single(NULL, txdesc->addr,
+ txdesc->devcs & DMA_TX1_BSIZE_MASK,
+ DMA_TO_DEVICE);
+ txdesc->status = 0;
+
+ if (status & DMA_TX_ERROR) {
+ sp->stats.tx_errors++;
+ sp->stats.tx_dropped++;
+ if (status & DMA_TX_ERR_UNDER)
+ sp->stats.tx_fifo_errors++;
+ if (status & DMA_TX_ERR_HB)
+ sp->stats.tx_heartbeat_errors++;
+ if (status & (DMA_TX_ERR_LOSS | DMA_TX_ERR_LINK))
+ sp->stats.tx_carrier_errors++;
+ if (status & (DMA_TX_ERR_LATE |
+ DMA_TX_ERR_COL |
+ DMA_TX_ERR_JABBER | DMA_TX_ERR_DEFER))
+ sp->stats.tx_aborted_errors++;
+ } else {
+ /* transmit OK */
+ sp->stats.tx_packets++;
+ }
- skb = sp->tx_skb[idx];
- sp->tx_skb[idx] = NULL;
- idx = DSC_NEXT(idx);
- sp->stats.tx_bytes += skb->len;
- dev_kfree_skb_irq(skb);
+ skb = sp->tx_skb[idx];
+ sp->tx_skb[idx] = NULL;
+ idx = DSC_NEXT(idx);
+ sp->stats.tx_bytes += skb->len;
+ dev_kfree_skb_irq(skb);
}
sp->tx_csm = idx;
}
-static void
-rx_tasklet_func(unsigned long data)
+static void rx_tasklet_func(unsigned long data)
{
struct net_device *dev = (struct net_device *) data;
struct ar2313_private *sp = dev->priv;
if (sp->unloading) {
- return;
+ return;
}
- if (ar2313_rx_int(dev)) {
- tasklet_hi_schedule(&sp->rx_tasklet);
- }
- else {
- unsigned long flags;
- spin_lock_irqsave(&sp->lock, flags);
- sp->dma_regs->intr_ena |= DMA_STATUS_RI;
- spin_unlock_irqrestore(&sp->lock, flags);
- }
+ if (ar2313_rx_int(dev)) {
+ tasklet_hi_schedule(&sp->rx_tasklet);
+ } else {
+ unsigned long flags;
+ spin_lock_irqsave(&sp->lock, flags);
+ sp->dma_regs->intr_ena |= DMA_STATUS_RI;
+ spin_unlock_irqrestore(&sp->lock, flags);
+ }
}
-static void
-rx_schedule(struct net_device *dev)
+static void rx_schedule(struct net_device *dev)
{
struct ar2313_private *sp = dev->priv;
static irqreturn_t ar2313_interrupt(int irq, void *dev_id)
{
- struct net_device *dev = (struct net_device *)dev_id;
+ struct net_device *dev = (struct net_device *) dev_id;
struct ar2313_private *sp = dev->priv;
unsigned int status, enabled;
/* clear interrupt */
- /*
+ /*
* Don't clear RI bit if currently disabled.
*/
status = sp->dma_regs->status;
sp->dma_regs->status = status & enabled;
if (status & DMA_STATUS_NIS) {
- /* normal status */
- /*
- * Don't schedule rx processing if interrupt
- * is already disabled.
- */
- if (status & enabled & DMA_STATUS_RI) {
- /* receive interrupt */
- rx_schedule(dev);
- }
- if (status & DMA_STATUS_TI) {
- /* transmit interrupt */
- ar2313_tx_int(dev);
- }
+ /* normal status */
+ /*
+ * Don't schedule rx processing if interrupt
+ * is already disabled.
+ */
+ if (status & enabled & DMA_STATUS_RI) {
+ /* receive interrupt */
+ rx_schedule(dev);
+ }
+ if (status & DMA_STATUS_TI) {
+ /* transmit interrupt */
+ ar2313_tx_int(dev);
+ }
}
if (status & DMA_STATUS_AIS) {
#if DEBUG_INT
- printk("%s: AIS set %08x & %x\n", __FUNCTION__,
- status, (DMA_STATUS_FBE | DMA_STATUS_TPS));
+ printk("%s: AIS set %08x & %x\n", __FUNCTION__,
+ status, (DMA_STATUS_FBE | DMA_STATUS_TPS));
#endif
- /* abnormal status */
- if (status & (DMA_STATUS_FBE | DMA_STATUS_TPS)) {
- ar2313_restart(dev);
- }
+ /* abnormal status */
+ if (status & (DMA_STATUS_FBE | DMA_STATUS_TPS)) {
+ ar2313_restart(dev);
+ }
}
return IRQ_HANDLED;
}
sp->eth_regs->mac_control |= MAC_CONTROL_RE;
- AR2313_MOD_INC_USE_COUNT;
-
return 0;
}
tasklet_disable(&sp->rx_tasklet);
/* kill the MAC */
- sp->eth_regs->mac_control &= ~(MAC_CONTROL_RE | /* disable Receives */
- MAC_CONTROL_TE); /* disable Transmits */
+ sp->eth_regs->mac_control &= ~(MAC_CONTROL_RE | /* disable Receives */
+ MAC_CONTROL_TE); /* disable Transmits */
/* stop dma */
sp->dma_regs->control = 0;
sp->dma_regs->bus_mode = DMA_BUS_MODE_SWR;
/* place phy and MAC in reset */
- *sp->int_regs |= (ar_int_mac_mask | ar_int_phy_mask);
+ *sp->int_regs |= (sp->cfg->reset_mac | sp->cfg->reset_phy);
/* free buffers on tx ring */
for (j = 0; j < AR2313_DESCR_ENTRIES; j++) {
- struct sk_buff *skb;
- ar2313_descr_t *txdesc;
+ struct sk_buff *skb;
+ ar2313_descr_t *txdesc;
- txdesc = &sp->tx_ring[j];
- txdesc->descr = 0;
+ txdesc = &sp->tx_ring[j];
+ txdesc->descr = 0;
- skb = sp->tx_skb[j];
- if (skb) {
- dev_kfree_skb(skb);
- sp->tx_skb[j] = NULL;
- }
+ skb = sp->tx_skb[j];
+ if (skb) {
+ dev_kfree_skb(skb);
+ sp->tx_skb[j] = NULL;
+ }
}
}
static int ar2313_close(struct net_device *dev)
{
#if 0
- /*
+ /*
* Disable interrupts
*/
disable_irq(dev->irq);
-
- /*
+
+ /*
* Without (or before) releasing irq and stopping hardware, this
* is an absolute non-sense, by the way. It will be reset instantly
* by the first irq.
free_irq(dev->irq, dev);
#endif
- AR2313_MOD_DEC_USE_COUNT;
return 0;
}
if (td->status & DMA_TX_OWN) {
#if DEBUG_TX
- printk("%s: No space left to Tx\n", __FUNCTION__);
+ printk("%s: No space left to Tx\n", __FUNCTION__);
#endif
- /* free skbuf and lie to the caller that we sent it out */
- sp->stats.tx_dropped++;
- dev_kfree_skb(skb);
+ /* free skbuf and lie to the caller that we sent it out */
+ sp->stats.tx_dropped++;
+ dev_kfree_skb(skb);
- /* restart transmitter in case locked */
- sp->dma_regs->xmt_poll = 0;
- return 0;
+ /* restart transmitter in case locked */
+ sp->dma_regs->xmt_poll = 0;
+ return 0;
}
/* Setup the transmit descriptor. */
- td->devcs = ((skb->len << DMA_TX1_BSIZE_SHIFT) |
- (DMA_TX1_LS|DMA_TX1_IC|DMA_TX1_CHAINED));
+ td->devcs = ((skb->len << DMA_TX1_BSIZE_SHIFT) |
+ (DMA_TX1_LS | DMA_TX1_IC | DMA_TX1_CHAINED));
td->addr = dma_map_single(NULL, skb->data, skb->len, DMA_TO_DEVICE);
td->status = DMA_TX_OWN;
#if DEBUG_TX
printk("index %d\n", idx);
printk("TX status %08x\n", td->status);
- printk("TX devcs %08x\n", td->devcs );
- printk("TX addr %08x\n", td->addr );
- printk("TX descr %08x\n", td->descr );
+ printk("TX devcs %08x\n", td->devcs);
+ printk("TX addr %08x\n", td->addr);
+ printk("TX descr %08x\n", td->descr);
#endif
sp->tx_skb[idx] = skb;
idx = DSC_NEXT(idx);
sp->tx_prd = idx;
- //dev->trans_start = jiffies;
-
return 0;
}
-static int netdev_get_ecmd(struct net_device *dev, struct ethtool_cmd *ecmd)
+static int netdev_get_ecmd(struct net_device *dev,
+ struct ethtool_cmd *ecmd)
{
struct ar2313_private *np = dev->priv;
u32 tmp;
- ecmd->supported =
+ ecmd->supported =
(SUPPORTED_10baseT_Half | SUPPORTED_10baseT_Full |
- SUPPORTED_100baseT_Half | SUPPORTED_100baseT_Full |
- SUPPORTED_Autoneg | SUPPORTED_TP | SUPPORTED_MII);
-
- ecmd->port = PORT_TP;
+ SUPPORTED_100baseT_Half | SUPPORTED_100baseT_Full |
+ SUPPORTED_Autoneg | SUPPORTED_TP | SUPPORTED_MII);
+
+ ecmd->port = PORT_TP;
/* only supports internal transceiver */
ecmd->transceiver = XCVR_INTERNAL;
/* not sure what this is for */
ecmd->phy_address = 1;
ecmd->advertising = ADVERTISED_MII;
- tmp = armiiread(np->phy, MII_ADVERTISE);
+ tmp = armiiread(dev, np->phy, MII_ADVERTISE);
if (tmp & ADVERTISE_10HALF)
ecmd->advertising |= ADVERTISED_10baseT_Half;
if (tmp & ADVERTISE_10FULL)
if (tmp & ADVERTISE_100FULL)
ecmd->advertising |= ADVERTISED_100baseT_Full;
- tmp = armiiread(np->phy, MII_BMCR);
+ tmp = armiiread(dev, np->phy, MII_BMCR);
if (tmp & BMCR_ANENABLE) {
ecmd->advertising |= ADVERTISED_Autoneg;
ecmd->autoneg = AUTONEG_ENABLE;
ecmd->autoneg = AUTONEG_DISABLE;
}
- if (ecmd->autoneg == AUTONEG_ENABLE) {
- tmp = armiiread(np->phy, MII_LPA);
- if (tmp & (LPA_100FULL|LPA_10FULL)) {
- ecmd->duplex = DUPLEX_FULL;
- } else {
- ecmd->duplex = DUPLEX_HALF;
- }
- if (tmp & (LPA_100FULL|LPA_100HALF)) {
- ecmd->speed = SPEED_100;
- } else {
- ecmd->speed = SPEED_10;
- }
- } else {
- if (tmp & BMCR_FULLDPLX) {
- ecmd->duplex = DUPLEX_FULL;
- } else {
- ecmd->duplex = DUPLEX_HALF;
- }
- if (tmp & BMCR_SPEED100) {
- ecmd->speed = SPEED_100;
- } else {
- ecmd->speed = SPEED_10;
- }
+ if (ecmd->autoneg == AUTONEG_ENABLE) {
+ tmp = armiiread(dev, np->phy, MII_LPA);
+ if (tmp & (LPA_100FULL | LPA_10FULL)) {
+ ecmd->duplex = DUPLEX_FULL;
+ } else {
+ ecmd->duplex = DUPLEX_HALF;
+ }
+ if (tmp & (LPA_100FULL | LPA_100HALF)) {
+ ecmd->speed = SPEED_100;
+ } else {
+ ecmd->speed = SPEED_10;
+ }
+ } else {
+ if (tmp & BMCR_FULLDPLX) {
+ ecmd->duplex = DUPLEX_FULL;
+ } else {
+ ecmd->duplex = DUPLEX_HALF;
+ }
+ if (tmp & BMCR_SPEED100) {
+ ecmd->speed = SPEED_100;
+ } else {
+ ecmd->speed = SPEED_10;
+ }
}
/* ignore maxtxpkt, maxrxpkt for now */
return 0;
}
-static int netdev_set_ecmd(struct net_device *dev, struct ethtool_cmd *ecmd)
+static int netdev_set_ecmd(struct net_device *dev,
+ struct ethtool_cmd *ecmd)
{
struct ar2313_private *np = dev->priv;
u32 tmp;
return -EINVAL;
if (ecmd->transceiver != XCVR_INTERNAL)
return -EINVAL;
- if (ecmd->autoneg != AUTONEG_DISABLE && ecmd->autoneg != AUTONEG_ENABLE)
+ if (ecmd->autoneg != AUTONEG_DISABLE
+ && ecmd->autoneg != AUTONEG_ENABLE)
return -EINVAL;
/* ignore phy_address, maxtxpkt, maxrxpkt for now */
-
+
/* WHEW! now lets bang some bits */
-
- tmp = armiiread(np->phy, MII_BMCR);
+
+ tmp = armiiread(dev, np->phy, MII_BMCR);
if (ecmd->autoneg == AUTONEG_ENABLE) {
/* turn on autonegotiation */
tmp |= BMCR_ANENABLE;
- printk("%s: Enabling auto-neg\n", dev->name);
+ printk("%s: Enabling auto-neg\n", dev->name);
} else {
/* turn off auto negotiation, set speed and duplexity */
tmp &= ~(BMCR_ANENABLE | BMCR_SPEED100 | BMCR_FULLDPLX);
tmp |= BMCR_SPEED100;
if (ecmd->duplex == DUPLEX_FULL)
tmp |= BMCR_FULLDPLX;
- printk("%s: Hard coding %d/%s\n", dev->name,
- (ecmd->speed == SPEED_100)? 100:10,
- (ecmd->duplex == DUPLEX_FULL)? "full":"half");
+ printk("%s: Hard coding %d/%s\n", dev->name,
+ (ecmd->speed == SPEED_100) ? 100 : 10,
+ (ecmd->duplex == DUPLEX_FULL) ? "full" : "half");
}
- armiiwrite(np->phy, MII_BMCR, tmp);
- np->phyData = 0;
+ armiiwrite(dev, np->phy, MII_BMCR, tmp);
+ np->phyData = 0;
return 0;
}
{
struct ar2313_private *np = dev->priv;
u32 cmd;
-
- if (get_user(cmd, (u32 *)useraddr))
+
+ if (get_user(cmd, (u32 *) useraddr))
return -EFAULT;
- switch (cmd) {
- /* get settings */
- case ETHTOOL_GSET: {
- struct ethtool_cmd ecmd = { ETHTOOL_GSET };
- spin_lock_irq(&np->lock);
- netdev_get_ecmd(dev, &ecmd);
- spin_unlock_irq(&np->lock);
- if (copy_to_user(useraddr, &ecmd, sizeof(ecmd)))
- return -EFAULT;
- return 0;
- }
- /* set settings */
- case ETHTOOL_SSET: {
- struct ethtool_cmd ecmd;
- int r;
- if (copy_from_user(&ecmd, useraddr, sizeof(ecmd)))
- return -EFAULT;
- spin_lock_irq(&np->lock);
- r = netdev_set_ecmd(dev, &ecmd);
- spin_unlock_irq(&np->lock);
- return r;
- }
- /* restart autonegotiation */
- case ETHTOOL_NWAY_RST: {
- int tmp;
- int r = -EINVAL;
- /* if autoneg is off, it's an error */
- tmp = armiiread(np->phy, MII_BMCR);
- if (tmp & BMCR_ANENABLE) {
- tmp |= (BMCR_ANRESTART);
- armiiwrite(np->phy, MII_BMCR, tmp);
- r = 0;
+ switch (cmd) {
+ /* get settings */
+ case ETHTOOL_GSET:{
+ struct ethtool_cmd ecmd = { ETHTOOL_GSET };
+ spin_lock_irq(&np->lock);
+ netdev_get_ecmd(dev, &ecmd);
+ spin_unlock_irq(&np->lock);
+ if (copy_to_user(useraddr, &ecmd, sizeof(ecmd)))
+ return -EFAULT;
+ return 0;
+ }
+ /* set settings */
+ case ETHTOOL_SSET:{
+ struct ethtool_cmd ecmd;
+ int r;
+ if (copy_from_user(&ecmd, useraddr, sizeof(ecmd)))
+ return -EFAULT;
+ spin_lock_irq(&np->lock);
+ r = netdev_set_ecmd(dev, &ecmd);
+ spin_unlock_irq(&np->lock);
+ return r;
+ }
+ /* restart autonegotiation */
+ case ETHTOOL_NWAY_RST:{
+ int tmp;
+ int r = -EINVAL;
+ /* if autoneg is off, it's an error */
+ tmp = armiiread(dev, np->phy, MII_BMCR);
+ if (tmp & BMCR_ANENABLE) {
+ tmp |= (BMCR_ANRESTART);
+ armiiwrite(dev, np->phy, MII_BMCR, tmp);
+ r = 0;
+ }
+ return r;
+ }
+ /* get link status */
+ case ETHTOOL_GLINK:{
+ struct ethtool_value edata = { ETHTOOL_GLINK };
+ edata.data =
+ (armiiread(dev, np->phy, MII_BMSR) & BMSR_LSTATUS) ? 1 : 0;
+ if (copy_to_user(useraddr, &edata, sizeof(edata)))
+ return -EFAULT;
+ return 0;
}
- return r;
- }
- /* get link status */
- case ETHTOOL_GLINK: {
- struct ethtool_value edata = {ETHTOOL_GLINK};
- edata.data = (armiiread(np->phy, MII_BMSR)&BMSR_LSTATUS) ? 1:0;
- if (copy_to_user(useraddr, &edata, sizeof(edata)))
- return -EFAULT;
- return 0;
}
- }
-
+
return -EOPNOTSUPP;
}
static int ar2313_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
{
- struct mii_ioctl_data *data = (struct mii_ioctl_data *)&ifr->ifr_data;
+ struct mii_ioctl_data *data = (struct mii_ioctl_data *) &ifr->ifr_data;
switch (cmd) {
- case SIOCDEVPRIVATE: {
- struct ar2313_cmd scmd;
-
- if (copy_from_user(&scmd, ifr->ifr_data, sizeof(scmd)))
- return -EFAULT;
-
-#if DEBUG
- printk("%s: ioctl devprivate c=%d a=%x l=%d m=%d d=%x,%x\n",
- dev->name, scmd.cmd,
- scmd.address, scmd.length,
- scmd.mailbox, scmd.data[0], scmd.data[1]);
-#endif /* DEBUG */
-
- switch (scmd.cmd) {
- case AR2313_READ_DATA:
- if(scmd.length==4){
- scmd.data[0] = *((u32*)scmd.address);
- } else if(scmd.length==2) {
- scmd.data[0] = *((u16*)scmd.address);
- } else if (scmd.length==1) {
- scmd.data[0] = *((u8*)scmd.address);
- } else {
- return -EOPNOTSUPP;
- }
- if(copy_to_user(ifr->ifr_data, &scmd, sizeof(scmd)))
- return -EFAULT;
- break;
-
- case AR2313_WRITE_DATA:
- if(scmd.length==4){
- *((u32*)scmd.address) = scmd.data[0];
- } else if(scmd.length==2) {
- *((u16*)scmd.address) = scmd.data[0];
- } else if (scmd.length==1) {
- *((u8*)scmd.address) = scmd.data[0];
- } else {
- return -EOPNOTSUPP;
- }
- break;
-
- case AR2313_GET_VERSION:
- // SAMEER: sprintf((char*) &scmd, "%s", ARUBA_VERSION);
- if(copy_to_user(ifr->ifr_data, &scmd, sizeof(scmd)))
- return -EFAULT;
- break;
- default:
- return -EOPNOTSUPP;
- }
- return 0;
- }
-
case SIOCETHTOOL:
- return netdev_ethtool_ioctl(dev, (void *) ifr->ifr_data);
-
- case SIOCGMIIPHY: /* Get address of MII PHY in use. */
- data->phy_id = 1;
- /* Fall Through */
-
- case SIOCGMIIREG: /* Read MII PHY register. */
- case SIOCDEVPRIVATE+1: /* for binary compat, remove in 2.5 */
- data->val_out = armiiread(data->phy_id & 0x1f,
- data->reg_num & 0x1f);
- return 0;
- case SIOCSMIIREG: /* Write MII PHY register. */
- case SIOCDEVPRIVATE+2: /* for binary compat, remove in 2.5 */
- if (!capable(CAP_NET_ADMIN))
- return -EPERM;
- armiiwrite(data->phy_id & 0x1f,
- data->reg_num & 0x1f, data->val_in);
- return 0;
+ return netdev_ethtool_ioctl(dev, (void *) ifr->ifr_data);
+
+ case SIOCGMIIPHY: /* Get address of MII PHY in use. */
+ data->phy_id = 1;
+ /* Fall Through */
+
+ case SIOCGMIIREG: /* Read MII PHY register. */
+ data->val_out = armiiread(dev, data->phy_id & 0x1f,
+ data->reg_num & 0x1f);
+ return 0;
+ case SIOCSMIIREG: /* Write MII PHY register. */
+ if (!capable(CAP_NET_ADMIN))
+ return -EPERM;
+ armiiwrite(dev, data->phy_id & 0x1f,
+ data->reg_num & 0x1f, data->val_in);
+ return 0;
case SIOCSIFHWADDR:
- if (copy_from_user(dev->dev_addr, ifr->ifr_data, sizeof(dev->dev_addr)))
- return -EFAULT;
- return 0;
+ if (copy_from_user
+ (dev->dev_addr, ifr->ifr_data, sizeof(dev->dev_addr)))
+ return -EFAULT;
+ return 0;
case SIOCGIFHWADDR:
- if (copy_to_user(ifr->ifr_data, dev->dev_addr, sizeof(dev->dev_addr)))
- return -EFAULT;
- return 0;
+ if (copy_to_user
+ (ifr->ifr_data, dev->dev_addr, sizeof(dev->dev_addr)))
+ return -EFAULT;
+ return 0;
default:
- break;
+ break;
}
return -EOPNOTSUPP;
static struct net_device_stats *ar2313_get_stats(struct net_device *dev)
{
- struct ar2313_private *sp = dev->priv;
+ struct ar2313_private *sp = dev->priv;
return &sp->stats;
}
-static short
-armiiread(short phy, short reg)
+
+#define MII_ADDR(phy, reg) \
+ ((reg << MII_ADDR_REG_SHIFT) | (phy << MII_ADDR_PHY_SHIFT))
+
+static short armiiread(struct net_device *dev, short phy, short reg)
{
- volatile ETHERNET_STRUCT * ethernet;
+ struct ar2313_private *sp = (struct ar2313_private *) dev->priv;
+ volatile ETHERNET_STRUCT *ethernet = sp->phy_regs;
- ethernet = (volatile ETHERNET_STRUCT *)(ar_eth_base); /* always MAC 0 */
- ethernet->mii_addr = ((reg << MII_ADDR_REG_SHIFT) |
- (phy << MII_ADDR_PHY_SHIFT));
- while (ethernet->mii_addr & MII_ADDR_BUSY);
- return (ethernet->mii_data >> MII_DATA_SHIFT);
+ ethernet->mii_addr = MII_ADDR(phy, reg);
+ while (ethernet->mii_addr & MII_ADDR_BUSY);
+ return (ethernet->mii_data >> MII_DATA_SHIFT);
}
static void
-armiiwrite(short phy, short reg, short data)
+armiiwrite(struct net_device *dev, short phy, short reg, short data)
{
- volatile ETHERNET_STRUCT * ethernet;
-
- ethernet = (volatile ETHERNET_STRUCT *)(ar_eth_base); /* always MAC 0 */
- while (ethernet->mii_addr & MII_ADDR_BUSY);
- ethernet->mii_data = data << MII_DATA_SHIFT;
- ethernet->mii_addr = ((reg << MII_ADDR_REG_SHIFT) |
- (phy << MII_ADDR_PHY_SHIFT) |
- MII_ADDR_WRITE);
-}
+ struct ar2313_private *sp = (struct ar2313_private *) dev->priv;
+ volatile ETHERNET_STRUCT *ethernet = sp->phy_regs;
+ while (ethernet->mii_addr & MII_ADDR_BUSY);
+ ethernet->mii_data = data << MII_DATA_SHIFT;
+ ethernet->mii_addr = MII_ADDR(phy, reg) | MII_ADDR_WRITE;
+}
projects / openwrt.git / blobdiff